S
M
T
W
T
F
S
26
81°
58°
27
85°
64°
28
79°
66°
29
80°
65°
30
78°
66°
31
85°
68°
1
83°
65°
2
81°
71°
3
85°
71°
4
84°
64°
5
79°
69°
6
88°
72°
7
87°
70°
8
84°
69°
9
88°
70°
10
84°
66°
11
83°
67°
12
83°
69°
13
84°
68°
14
85°
69°
15
84°
67°
16
72°
66°
17
86°
69°
18
83°
68°
19
83°
64°
20
80°
63°
21
79°
60°
22
74°
64°
23
80°
61°
24
77°
57°
25
77°
56°
26
81°
59°
27
84°
67°
28
81°
64°
29
77°
57°
30
82°
67°
31
82°
68°
1
91°
71°
2
85°
71°
3
89°
69°
4
83°
64°
5
79°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Coatesville
Coatesville's August 2026 forecast shows daily high temperatures ranging from 79° to 91°, with overnight lows between 61° and 71°. The average high for August is 84° with an average low of 67°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Coatesville. See also: September | October | November.
